package com.cyx.chapter2.util;
import org.apache.commons.lang3.StringUtils;


/**
 * Created by Administrator on 2017/10/7 0007.
 */
public final class CastUtil {

    /**
     * 转为String型
     */
    public static String castString(Object obj){
        return CastUtil.castString(obj,"");
    }
    /**
     * 转为String型（提供默认值）
     */
    public static String castString(Object obj,String defaultValue ){
        return obj!=null?String.valueOf(obj):defaultValue;
    }

    /**
     * 转为double型
     */
    public static double castDouble(Object obj){
        return CastUtil.castDouble(obj,0);
    }
    /**
     * 转为double型(提供默认值)
     */
    public static double castDouble(Object obj,double defaultValue ){
        double doubleValue=defaultValue;
        if(obj!=null){
            String strValue=castString(obj);
            if(StringUtils.isNotEmpty(strValue)){
                try{
                    doubleValue=Double.parseDouble(strValue);
                }
                catch (NumberFormatException e){
                    doubleValue=defaultValue;
                }
            }
        }
        return doubleValue;
    }

    public static long castLong(Object obj){
        return CastUtil.castLong(obj,0);
    }

    public static long castLong(Object obj,long defaultValue ){
        long longValue=defaultValue;
        if(obj!=null){
            String strValue=castString(obj);
            if(StringUtils.isNotEmpty(strValue)){
                try{
                    longValue=Long.parseLong(strValue);
                } catch (NumberFormatException e){
                    longValue=defaultValue;
                }
            }
        }
        return longValue;
    }

    public static int castInt(Object obj){
        return CastUtil.castInt(obj,0);
    }

    public static int castInt(Object obj,int defaultValue ){
        int intValue=defaultValue;
        if(obj!=null){
            String strValue=castString(obj);
            if(StringUtils.isNotEmpty(strValue)){
                try{
                    intValue=Integer.parseInt(strValue);
                }
                catch (NumberFormatException e){
                    intValue=defaultValue;
                }
            }
        }
        return intValue;
    }

    public static boolean castBoolean(Object obj){
        return  CastUtil.castBoolean(obj,false);
    }

    public static boolean castBoolean(Object obj,boolean defaultValue){
        boolean booleanValue=defaultValue;
        if(obj!=null){
            booleanValue=Boolean.parseBoolean(castString(obj));
        }
        return booleanValue;
    }

}
